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Title: Ion charge state distribution effects on elastic X-ray Thomson scattering

Abstract

Analytic models commonly applied in elastic X-ray Thomson scattering cross-section calculations are used to generate results from a discrete ion charge distribution and an average charge description. Comparisons show that interchanging the order of the averaging procedure can appreciably alter the cross-section, especially for plasmas with partially filled K-shell bound electrons. Finally, in addition, two common approximations to describe the free electron density around an ion are shown to yield significantly different elastic X-ray Thomson scattering cross-sections.

Authors:
 [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1513125
Alternate Identifier(s):
OSTI ID: 1548724
Report Number(s):
LLNL-JRNL-735523
Journal ID: ISSN 1574-1818; 887600
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
High Energy Density Physics
Additional Journal Information:
Journal Volume: 26; Journal Issue: C; Journal ID: ISSN 1574-1818
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; X-ray Thomson scattering; Rayleigh peak

Citation Formats

Iglesias, Carlos A. Ion charge state distribution effects on elastic X-ray Thomson scattering. United States: N. p., 2018. Web. doi:10.1016/j.hedp.2018.02.001.
Iglesias, Carlos A. Ion charge state distribution effects on elastic X-ray Thomson scattering. United States. doi:10.1016/j.hedp.2018.02.001.
Iglesias, Carlos A. Tue . "Ion charge state distribution effects on elastic X-ray Thomson scattering". United States. doi:10.1016/j.hedp.2018.02.001. https://www.osti.gov/servlets/purl/1513125.
@article{osti_1513125,
title = {Ion charge state distribution effects on elastic X-ray Thomson scattering},
author = {Iglesias, Carlos A.},
abstractNote = {Analytic models commonly applied in elastic X-ray Thomson scattering cross-section calculations are used to generate results from a discrete ion charge distribution and an average charge description. Comparisons show that interchanging the order of the averaging procedure can appreciably alter the cross-section, especially for plasmas with partially filled K-shell bound electrons. Finally, in addition, two common approximations to describe the free electron density around an ion are shown to yield significantly different elastic X-ray Thomson scattering cross-sections.},
doi = {10.1016/j.hedp.2018.02.001},
journal = {High Energy Density Physics},
issn = {1574-1818},
number = C,
volume = 26,
place = {United States},
year = {2018},
month = {2}
}

Journal Article:
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